Bruce Momjian wrote: > > Hiroshi Inoue wrote: > > Christopher Kings-Lynne wrote: > > > > I think that is why Tom was suggesting making all the column values NULL > and removing the pg_attribute row for the column. With a NULL value, it > doesn't take up any room in the tuple, and with the pg_attribute column > gone, no one will see that row. The only problem is the gap in attno > numbering. How big a problem is that?
There's no problem with applications which don't inquire of system catalogs(pg_attribute). Unfortunately we have been very tolerant of users' access on system tables and there would be pretty many applications which inquire of pg_attribute. regards, Hiroshi Inoue ---------------------------(end of broadcast)--------------------------- TIP 5: Have you checked our extensive FAQ? http://www.postgresql.org/users-lounge/docs/faq.html
